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Typical standard reduction potentials of electron transfer carriers in organisms
| Half-reaction | Eo (mV) |
|---|---|
| NAD+ + H+ + 2e− → NADH | − 320 |
| FAD + 2H+ + 2e− → FADH2 (free coenzyme) | − 220 |
| FAD + 2H+ + 2e− → FADH2 (in flavoproteins) | ~ 0 |
| Coenzyme Q10 | + 100 |
| Cytochrome C (Fe3+) + e− → Cytochrome C (Fe2+) | + 220 |
